＊1： Correction of rated torque and max. torque due to load fluctuation is not required.However, if ambient temperature exceeds 30°C, be sure to correct the rated torque and max. torque with temperature correction factor shown in the table.MJC-K's allowable operating temperature is -20°C to 60°C.
＊2： These are values with max. bore diameter.

Sleeve Details

Tight Fit

The hub and sleeve are press-fit and can be used under zero backlash＊1.Since the sleeve's vibration absorption can raise the gain of a servomotor, this unit can achieve high responsive operation exceeding the Disk coupling.

＊1： For the torque used under zero backlash, please refer to dimensional table.

Easy Fit

This unit allows you to easily assemble and partition the hub and sleeve. This allows you to reduce the time of assembling the unit and maintenance.It is possible to mount a hub on the shaft in advance and easily assemble the unit even in a location where the coupling is less-visible.

Slip torque

Concerning the sizes shown in the table, please note that the shaft's slip torque is smaller than the max. torque of MJC-CS.

Unit : N・m

Part Number

Bore Diameter (mm)

3

4

4.5

5

6

6.35

7

8

9.525

10

11

12

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45

48

50

55

MJC-14CS

0.8

1.4

1.7

2.1

1.3

1.4

1.5

MJC-20CS

3.4

4.1

4.9

6.4

6.9

7.9

9.4

5.1

6

8

MJC-30CS

4

4.9

6.6

9.3

13.4

14.6

17.3

20

15.3

21.2

27.2

MJC-40CS

18

23.2

24.8

28.2

31.7

38.5

MJC-55CS

29.9

33

39.5

46

59

65.5

72

78.5

85

91.5

98

111

124

130

117

124

MJC-65CS

104

118

133

148

162

177

192

221

251

265

310

339

368

185

200

MJC-80CS

151

170

189

198

227

246

265

293

322

341

360

500

MJC-95CS

347

415

460

500

500

500

500

500

500

500

500

500

These are test values based on the condition of shaft's dimensional allowance: h7, hardness: from 34-40 HRC, and screw tightening torque of the values described in MJC-CS dimensional table.

Concerning the sizes shown in the table, please note that the shaft's slip torque is smaller than the max. torque of MJC-CS.

Unit : N・m

Part Number

Bore Diameter (inch)

1/8

3/16

1/4

5/16

3/8

7/16

1/2

9/16

5/8

11/16

3/4

13/16

7/8

15/16

1

1-1/8

1-1/4

1-3/8

1-1/2

1-5/8

1-3/4

MJC-14CS

0.9

1.9

1.4

MJC-20CS

4.5

6.9

9.3

5.1

MJC-30CS

4.9

9.1

13.4

17.6

7.5

17

26.4

MJC-40CS

17.7

23.2

28.6

34.1

39.5

MJC-55CS

29.9

40.2

50.5

60.8

71.1

81.5

91.8

102

112

122

133

112

123

MJC-65CS

85

108

131

155

178

201

225

248

271

318

365

184

200

MJC-80CS

96

111

126

141

157

172

187

202

232

262

292

322

353

500

MJC-95CS

249

285

320

356

428

500

500

500

500

500

These are test values based on the condition of shaft's dimensional allowance: h7, hardness: from 34-40 HRC, and screw tightening torque of the values described in MJC-CS dimensional table.

Change in static torsional stiffness due to temperature

This is a value under the condition where the static torsional stiffness at 20°C is 100%.
The change of torsional stiffness within the range of allowable operating temperature is as shown in the graph.
Before using the unit, be aware of the deterioration of responsiveness.